Home / 163,775,304.20-245,662,956.30-77,681,862.20

Finding the Fourth Proportional to 163,775,304.20, 245,662,956.30 and 77,681,862.20

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Solution

The fourth proportional to 163,775,304.20, 245,662,956.30 and 77,681,862.20 is: 116,522,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,775,304.20 : 245,662,956.30 = 77,681,862.20 : x
  2. Step 2: Convert to fraction form
    163,775,304.20/245,662,956.30 = 77,681,862.20/x
  3. Step 3: Cross multiply
    163,775,304.20x = 245,662,956.30 × 77,681,862.20
  4. Step 4: Simplify right side
    163,775,304.20x = 19,083,555,918,941,224
  5. Step 5: Solve for x
    x = 19,083,555,918,941,224/163,775,304.20
  6. Step 6: Final answer
    x = 116,522,793.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.